Hi, I had a question regarding calling the webApi outside Appian. Is that possible and how can it be done?
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...and don't forget that it doesn't matter whether the a Web API is called from Appian or another external system, you still need to authenticate when calling it. There are choices about how you authenticate but you can't successfully makes calls without doing so.
I was able to call the Web API through postman using basic authentication which requires an admin user ID and password but the problem is that the password will expire after some days so at that time the authentication will fail, so is there any other solution to authenticate? And are there any options other than basic authentication to call the webApi
You can use API key authentication, it is more efficient and secured also. Check API Key authentication
I highly recommend to work with the official Appian documentation. Like this: docs.appian.com/.../Web_API_Authentication.html
Could you please elaborate on how to generate the key and the value if we select the API key as the authentication
Please read the documentation first. If you have any specific issue, we are happy to help.